Windows Business Enterprise Upgrade application compatibility

Hello,
Beginning new corporate migration from Windows 7 Pro to Windows 10 Enterprise for 2,500 machines. Are there any published list of COTS package compatibility issues? Generally have people experienced high number of issues? I realize this is a very general question but just getting high level ideas in planning phase.

Thank you

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Hello,
Regarding the upgrade to windows 10. After the upgrade is completed and we do a clean install, will the previous applications (e.g. Photoshop or AutoCAD) be compatible with windows 10?
Thank you

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